:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #5d6b7a;
  --line: #dde3ea;
  --accent: #0b5cad;
  --dev: #2e7d32;
  --qa: #b26a00;
  --prd: #b3261e;
  --preview: #5b3fa8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --surface: #1b2129;
    --text: #e6ebf0;
    --muted: #9aa7b4;
    --line: #2c3540;
    --accent: #6aa8f0;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 "Segoe UI", system-ui, sans-serif;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand { font-weight: 700; letter-spacing: 0.04em; color: var(--accent); }
.subtitle { color: var(--muted); }

.badge {
  margin-left: auto;
  padding: 2px 10px;
  border-radius: 4px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  background: var(--muted);
}
.badge-dev { background: var(--dev); }
.badge-qa { background: var(--qa); }
.badge-prd { background: var(--prd); }
.badge-preview { background: var(--preview); }

main { max-width: 960px; margin: 0 auto; padding: 24px 16px; }

.feature {
  margin: 0 0 20px;
  padding: 12px 16px;
  background: var(--surface);
  border-left: 4px solid var(--accent);
  border-radius: 4px;
}

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }

.card {
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.card h2 { margin: 0 0 12px; font-size: 16px; }

dl { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; margin: 0 0 12px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; font-family: Consolas, monospace; font-size: 14px; }

button {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
}